drm/amdgpu: Use indirect buffer and save response status for TA load/invoke

The upcoming TA debugfs interface needs to use indirect buffer
when performing TA invoke and check psp response status for TA
load and invoke.

Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 72 insertions, 8 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index a6acec1a6155..f6527aa19238 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -46,8 +46,6 @@ static int psp_sysfs_init(struct amdgpu_device *adev);
 static void psp_sysfs_fini(struct amdgpu_device *adev);
 
 static int psp_load_smu_fw(struct psp_context *psp);
-static int psp_ta_unload(struct psp_context *psp, struct ta_context *context);
-static int psp_ta_load(struct psp_context *psp, struct ta_context *context);
 static int psp_rap_terminate(struct psp_context *psp);
 static int psp_securedisplay_terminate(struct psp_context *psp);
 
@@ -862,7 +860,7 @@ static void psp_prep_ta_unload_cmd_buf(struct psp_gfx_cmd_resp *cmd,
 	cmd->cmd.cmd_unload_ta.session_id = session_id;
 }
 
-static int psp_ta_unload(struct psp_context *psp, struct ta_context *context)
+int psp_ta_unload(struct psp_context *psp, struct ta_context *context)
 {
 	int ret;
 	struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp);
@@ -944,7 +942,7 @@ static void psp_prep_ta_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
 	cmd->cmd.cmd_load_ta.cmd_buf_len = context->mem_context.shared_mem_size;
 }
 
-static int psp_ta_init_shared_buf(struct psp_context *psp,
+int psp_ta_init_shared_buf(struct psp_context *psp,
 				  struct ta_mem_context *mem_ctx)
 {
 	/*
@@ -958,7 +956,7 @@ static int psp_ta_init_shared_buf(struct psp_context *psp,
 				      &mem_ctx->shared_buf);
 }
 
-static void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx)
+void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx)
 {
 	amdgpu_bo_free_kernel(&mem_ctx->shared_bo, &mem_ctx->shared_mc_addr,
 			      &mem_ctx->shared_buf);
@@ -969,6 +967,42 @@ static int psp_xgmi_init_shared_buf(struct psp_context *psp)
 	return psp_ta_init_shared_buf(psp, &psp->xgmi_context.context.mem_context);
 }
 
+static void psp_prep_ta_invoke_indirect_cmd_buf(struct psp_gfx_cmd_resp *cmd,
+				       uint32_t ta_cmd_id,
+				       struct ta_context *context)
+{
+	cmd->cmd_id                         = GFX_CMD_ID_INVOKE_CMD;
+	cmd->cmd.cmd_invoke_cmd.session_id  = context->session_id;
+	cmd->cmd.cmd_invoke_cmd.ta_cmd_id   = ta_cmd_id;
+
+	cmd->cmd.cmd_invoke_cmd.buf.num_desc   = 1;
+	cmd->cmd.cmd_invoke_cmd.buf.total_size = context->mem_context.shared_mem_size;
+	cmd->cmd.cmd_invoke_cmd.buf.buf_desc[0].buf_size = context->mem_context.shared_mem_size;
+	cmd->cmd.cmd_invoke_cmd.buf.buf_desc[0].buf_phy_addr_lo =
+				     lower_32_bits(context->mem_context.shared_mc_addr);
+	cmd->cmd.cmd_invoke_cmd.buf.buf_desc[0].buf_phy_addr_hi =
+				     upper_32_bits(context->mem_context.shared_mc_addr);
+}
+
+int psp_ta_invoke_indirect(struct psp_context *psp,
+		  uint32_t ta_cmd_id,
+		  struct ta_context *context)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp);
+
+	psp_prep_ta_invoke_indirect_cmd_buf(cmd, ta_cmd_id, context);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd,
+				 psp->fence_buf_mc_addr);
+
+	context->resp_status = cmd->resp.status;
+
+	release_psp_cmd_buf(psp);
+
+	return ret;
+}
+
 static void psp_prep_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd,
 				       uint32_t ta_cmd_id,
 				       uint32_t session_id)
@@ -978,7 +1012,7 @@ static void psp_prep_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd,
 	cmd->cmd.cmd_invoke_cmd.ta_cmd_id	= ta_cmd_id;
 }
 
-static int psp_ta_invoke(struct psp_context *psp,
+int psp_ta_invoke(struct psp_context *psp,
 		  uint32_t ta_cmd_id,
 		  struct ta_context *context)
 {
@@ -990,12 +1024,14 @@ static int psp_ta_invoke(struct psp_context *psp,
 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
 				 psp->fence_buf_mc_addr);
 
+	context->resp_status = cmd->resp.status;
+
 	release_psp_cmd_buf(psp);
 
 	return ret;
 }
 
-static int psp_ta_load(struct psp_context *psp, struct ta_context *context)
+int psp_ta_load(struct psp_context *psp, struct ta_context *context)
 {
 	int ret;
 	struct psp_gfx_cmd_resp *cmd;
@@ -1010,6 +1046,8 @@ static int psp_ta_load(struct psp_context *psp, struct ta_context *context)
 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
 				 psp->fence_buf_mc_addr);
 
+	context->resp_status = cmd->resp.status;
+
 	if (!ret) {
 		context->session_id = cmd->resp.session_id;
 	}
@@ -1415,7 +1453,7 @@ int psp_ras_enable_features(struct psp_context *psp,
 	return 0;
 }
 
-static int psp_ras_terminate(struct psp_context *psp)
+int psp_ras_terminate(struct psp_context *psp)
 {
 	int ret;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index ff7d533eb746..cf8d3199b35b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -48,6 +48,17 @@ enum psp_shared_mem_size {
 	PSP_SECUREDISPLAY_SHARED_MEM_SIZE	= 0x4000,
 };
 
+enum ta_type_id {
+	TA_TYPE_XGMI = 1,
+	TA_TYPE_RAS,
+	TA_TYPE_HDCP,
+	TA_TYPE_DTM,
+	TA_TYPE_RAP,
+	TA_TYPE_SECUREDISPLAY,
+
+	TA_TYPE_MAX_INDEX,
+};
+
 struct psp_context;
 struct psp_xgmi_node_info;
 struct psp_xgmi_topology_info;
@@ -151,9 +162,11 @@ struct ta_mem_context {
 struct ta_context {
 	bool			initialized;
 	uint32_t		session_id;
+	uint32_t		resp_status;
 	struct ta_mem_context	mem_context;
 	struct psp_bin_desc		bin_desc;
 	enum psp_gfx_cmd_id		ta_load_type;
+	enum ta_type_id		ta_type;
 };
 
 struct ta_cp_context {
@@ -407,6 +420,18 @@ int psp_gpu_reset(struct amdgpu_device *adev);
 int psp_update_vcn_sram(struct amdgpu_device *adev, int inst_idx,
 			uint64_t cmd_gpu_addr, int cmd_size);
 
+int psp_ta_init_shared_buf(struct psp_context *psp,
+				  struct ta_mem_context *mem_ctx);
+void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx);
+int psp_ta_unload(struct psp_context *psp, struct ta_context *context);
+int psp_ta_load(struct psp_context *psp, struct ta_context *context);
+int psp_ta_invoke(struct psp_context *psp,
+			uint32_t ta_cmd_id,
+			struct ta_context *context);
+int psp_ta_invoke_indirect(struct psp_context *psp,
+		  uint32_t ta_cmd_id,
+		  struct ta_context *context);
+
 int psp_xgmi_initialize(struct psp_context *psp, bool set_extended_data, bool load_ta);
 int psp_xgmi_terminate(struct psp_context *psp);
 int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
@@ -425,6 +450,7 @@ int psp_ras_enable_features(struct psp_context *psp,
 		union ta_ras_cmd_input *info, bool enable);
 int psp_ras_trigger_error(struct psp_context *psp,
 			  struct ta_ras_trigger_error_input *info);
+int psp_ras_terminate(struct psp_context *psp);
 
 int psp_hdcp_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
 int psp_dtm_invoke(struct psp_context *psp, uint32_t ta_cmd_id);